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["Super-extensive lymph node dissection" for advanced gastric cancer].

H Tokuda1, S Takahashi, A Takenaka

  • 1Department of Surgery, Kyoto Second Red Cross Hospital, Japan.

Nihon Geka Gakkai Zasshi
|September 1, 1988
PubMed
Summary

Super-extensive lymph node dissection (SELD) for advanced gastric cancer shows potential for improved prognosis, particularly when less than 25% of n4 nodes are cancerous. However, SELD involves longer surgery and increased complications.

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Area of Science:

  • Oncology
  • Surgical Oncology
  • Gastroenterology

Context:

  • Gastric cancer treatment necessitates thorough lymph node evaluation.
  • The n4 lymph node area (para-aortic and para-superior mesenteric trunk) is critical in advanced gastric cancer staging and treatment.
  • Conventional lymphadenectomy may not adequately address n4 nodal involvement.

Purpose:

  • To evaluate the efficacy and outcomes of super-extensive lymph node dissection (SELD) in gastric cancer patients.
  • To assess the impact of n4 lymph node metastasis on prognosis following SELD.
  • To compare SELD with conventional lymphadenectomy in terms of surgical parameters and complications.

Summary:

  • Super-extensive lymph node dissection (SELD) involves extensive removal of lymph nodes, including the n4 area, for gastric cancer.

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  • N4 lymph node metastasis was observed in 25.8% of SELD cases, comparable to n1/n2 metastasis rates.
  • A positive rate below 25% in dissected n4 nodes correlated with a relatively good prognosis, while higher rates indicated recurrence risk.

    • Impact:

    • SELD may be warranted for advanced gastric cancer, offering potential prognostic benefits.
    • The study highlights the importance of n4 lymph node status in gastric cancer recurrence.
    • SELD is associated with increased surgical duration, blood loss, and complication rates compared to R2/R3 dissections.